Home / 70,538.36-97,344.95-38,709.36

Finding the Fourth Proportional to 70,538.36, 97,344.95 and 38,709.36

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Solution

The fourth proportional to 70,538.36, 97,344.95 and 38,709.36 is: 53,420.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,538.36 : 97,344.95 = 38,709.36 : x
  2. Step 2: Convert to fraction form
    70,538.36/97,344.95 = 38,709.36/x
  3. Step 3: Cross multiply
    70,538.36x = 97,344.95 × 38,709.36
  4. Step 4: Simplify right side
    70,538.36x = 3,768,160,520.19
  5. Step 5: Solve for x
    x = 3,768,160,520.19/70,538.36
  6. Step 6: Final answer
    x = 53,420.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.